125840840741 has 8 divisors (see below), whose sum is σ = 156892476864. Its totient is φ = 98057797920.

The previous prime is 125840840689. The next prime is 125840840743. The reversal of 125840840741 is 147048048521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125840840741 - 2¹⁰ = 125840839717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125840840692 and 125840840701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125840840743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817148240 + ... + 817148393.

It is an arithmetic number, because the mean of its divisors is an integer number (19611559608).

Almost surely, 2^125840840741 is an apocalyptic number.

125840840741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125840840741 is a deficient number, since it is larger than the sum of its proper divisors (31051636123).

125840840741 is a wasteful number, since it uses less digits than its factorization.

125840840741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634296651.

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 125840840741 in words is "one hundred twenty-five billion, eight hundred forty million, eight hundred forty thousand, seven hundred forty-one".